Fastening device



FIG. 1 is a perspective view of a fastening device showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of the design in another configuration.

The dashed broken lines depict portions of a fastening device that formno part of the claimed design.

CLAIM The ornamental design for a fastening device, as shown anddescribed.